Nonaqueous electrolyte battery
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United States of America Patent
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Issued Date -
Jul 28, 2005
app pub date -
Jan 26, 2005
filing date -
Jan 27, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A nonaqueous electrolyte battery includes a positive electrode, a negative electrode containing an active material providing a negative electrode working potential which is nobler than a lithium electrode potential, and whose potential difference from the lithium electrode potential is 0.5V or more, and an electrolyte containing molten salt, ester phosphate and metal salt including at least one of alkaline metal salt and alkaline earth metal salt, the electrolyte satisfying the following formula (1): 0.5.ltoreq.(M.sub.2/M.sub.1).ltoreq.1 (1) where M.sub.1 is a molar number of the metal salt and M.sub.2 is a molar number of the ester phosphate.
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